TWI650930B - Portable solar panel cleaning device - Google Patents

Abstract

A portable cleaning device comprises: a frame body; a brush having a rotating shaft connecting the frame body and a plurality of bristles standing on the rotating shaft in a radial direction, the bristles being flexible and capable of supporting the frame body to stand still , can also drive the displacement of the frame; a transmission mechanism, which has a motor fixed to the frame body, the motor is driven to drive the rotation of the rotating shaft to drive the frame body displacement; and a fluid system disposed in the frame body, the supply thereof Some liquid to the bristles or brush forward. When the cleaning device is placed on a solar panel, the brush cleans the dirt of the solar panel with flexible bristles, and allows the frame to advance on the solar panel, and the operation is more convenient and convenient.

Description

Portable solar panel cleaning device

The invention relates to the field of cleaning, and in particular to a portable cleaning device for removing solar panels.

The solar panel is a panel formed by arranging a plurality of solar cells in an array manner, and the solar cell converts solar energy into electrical energy through a photovoltaic effect. Most of the solar panels are placed in the sunny part of a building, not only exposed to the sun, but also wind and rain, easy to stick dust, floating feathers or other dirt. Therefore, it is necessary to clean the solar panels regularly, so as not to reduce the conversion rate of the photovoltaic effect.

A cleaning apparatus, known in U.S. Patent No. 9,400,123, is used to clean array panels to remove dust or other dirt. The cleaning device has a lateral support (Lateral Support), and a set of pipe supports (Tubing Supports) are arranged on the lateral support bars. The set of pipe supports supports a network of Tubing, and the pipe has a number of nozzles (Nozzles). When the cleaning device is placed on a set of arrays of panels, the conduit directs fluid to be sprayed over the panel through the nozzle. A bracket (Bracket) and a plate (Plates) are firmly attached to the lateral support bars, and a pair of wheels are respectively mounted, and the wheels facilitate the rolling displacement of the cleaning device on the panel. In addition, the cleaning device also has a brush having soft bristles and a brush holder with a chain drive and a chain drive under the lateral support bar.

A rotating mechanism (Swivel Mechanism) is provided on the lateral support rod, the rotation The mechanism has a handle that is telescopic and can be held by a user to operate the cleaning device in the direction in which the panel moves. However, the user acts as a support point and it is very laborious to wave the entire cleaning device.

Secondly, the building is usually inclined at the sun, such as the roof. The panels are fixed to the roof and maintained at approximately the same angle of inclination so that the cleaning device is placed on the panel and the possibility of sliding towards the surface is considerable. In particular, the wheels roll in the panel to increase the risk of the user being pulled down by the cleaning device.

Therefore, how to improve the structure of the cleaning device has become an urgent problem to be solved by the present invention.

In view of this, the present invention provides a new cleaning device, the main purpose of which is to adopt a lightweight structure, so that the cleaning device can be carried around with the flexible bristles, so that the brush can support the frame body to stand still and drive the frame displacement. It also has the dirt removal effect of solar panels.

For the above object, the cleaning device of the present invention comprises: a frame body; a brush comprising: a rotating shaft connecting the rotating frame body; a column arranged in the same direction of rotation of the rotating shaft; and a plurality of columns standing outside the cylinder in a radial direction The bristles of the circumferential surface, the bristles are flexible, can support the frame body to stand still and can also drive the frame displacement; a transmission mechanism includes: a motor fixed to the frame body, the motor drives the rotation shaft to rotate relative to the frame body Providing the power required for the bristles to drive the displacement of the frame; and a fluid system disposed in the frame, the fluid system supplying some liquid to the bristles or the advancement of the brush.

Thus, the cleaning device of the present invention is placed on top of the solar panel, and the surface of the solar panel is rubbed with the flexible bristles of the brush, and the support frame is stationary. After being energized, the brush is driven by a motor Rotating, the bristles roll on the solar panel, not only can drive the same direction displacement of the frame, but also have the function of removing the dirt of the solar panel, and the operation is more convenient and convenient.

The above described objects, features, features and advantages of the present invention will become more apparent and understood.

10‧‧‧ cleaning device

20‧‧‧ ‧ body

21‧‧‧ sidebar

22‧‧‧ Bearing

23‧‧‧ Front pole

24‧‧‧Pole

25‧‧‧ bottom pole

26‧‧‧Assistance wheel

26A, 26B, 26C‧‧ ‧ baffle

30‧‧‧ brushes

31‧‧‧ shaft

32‧‧‧Cylinder

33‧‧‧ bristles

40‧‧‧Transmission mechanism

41‧‧‧Drive wheel

42‧‧‧Drive belt

43‧‧‧ driven wheel

44‧‧‧Motor

45‧‧‧Motor shaft

46‧‧‧Power line

50‧‧‧ Fluid System

51‧‧‧Connectors

52‧‧‧pipe

53‧‧‧pipe body

54‧‧‧ sprinkler

55‧‧‧Liquid

60‧‧‧ buildings

61‧‧‧ Roof

62‧‧‧ solar panels

63, 64‧‧‧ arrows

Figure 1 is a side view of a first embodiment of the cleaning device of the present invention.

Figure 2 is a plan view of the cleaning device.

Figure 3 is a schematic illustration of the use of a cleaning device.

Figure 4 is a partial schematic view of a second embodiment of the cleaning device of the present invention.

1 and 2 are diagrams showing the specific structure of the first embodiment of the cleaning device 10, in which a brush 20, a transmission mechanism 40 and a fluid system 50 are mounted on a frame 20, and the solar panel 62 is executed (see Fig. 3). Cleaning work.

In the figure, the frame body 20 is a lightweight, portable metal frame, such as a rectangular aluminum frame. In terms of structure, the frame body 20 has two parallel side bars 21, and a front bar 23 is connected to the same end of the side bars 21. The frame body 20 also has a set of rams 24 and a set of bottom bars 25, wherein each ram 24 is fastened above the two side bars 21, each bottom bar 25 is fastened below the two side bars 21, and the bottom bar 25 It is preferably parallel to the front rod 23 and the ejector rod 24. In addition, the two bearings 22 are secured to the respective side bars 21 which are opposed to each other.

In the present embodiment, a plurality of auxiliary wheels 26 are fixed to the set of bottom bars 25. In some embodiments, the frame 20 has no auxiliary wheels and is within the tolerances of the present invention.

The brush holder 30 has a rotating shaft 31 which can pass through the aforementioned set of bearings 22 so that the rotating shaft 31 is coupled to the frame body 20 for rotation. A shaft 32 that can rotate in the same direction is disposed on the rotating shaft 31, and the cylinder 32 The outer circumferential surface has a plurality of bristles 33 standing in the radial direction. These bristles 33 are usually a bundle, and each bundle of bristles 33 is flexible and can form a contact area on the outer surface of the solar panel 62 (see Fig. 3) in a point contact or line contact manner, and the support frame 20 remains stationary. status. Of course, when the bristles 33 are rotated by force, it is sufficient to drive the frame 20 to be displaced relative to the solar panel 62 (see FIG. 3).

The force that drives the rotation of the bristles 33 is derived from the transmission mechanism 40. In the figure, the transmission mechanism 40 has a motor 44 that is fixed to the jack 24 of the frame body 20. The motor 44 is electrically connected to a power line 46 for turning on an external power source (not shown). After being energized, the rotational kinetic energy of the motor 44 is output to the rotating shaft 31 through the other transmission structure of the transmission mechanism 40, and the power required for the bristles 33 to drive the frame 20 to be displaced is provided.

The other transmission structure of the transmission mechanism 40 herein refers to a driving wheel 41, a transmission belt 42 and a driven wheel 43. The driving wheel 41 is coupled to a motor shaft 45 extending from the outer surface of the motor 44 by a keying manner, and the two can rotate in the same direction. The driven wheel 43 is coupled to the rotating shaft 31 and can also rotate together. The drive belt 42 is sleeved on the outer circumferential surfaces of the driving wheel 41 and the driven wheel 43, sufficient to output the rotational kinetic energy of the motor 44 to the rotating shaft 31, and to provide the power required for the bristles 33 to be coupled with the frame body 20 for displacement.

The fluid system 50 is disposed in the frame 20, supplying some liquid 55 to the bristles 33; or the brush 30 is advanced (as shown in the surface of the solar panel 62 shown in FIG. 3).

Specifically, the fluid system 50 is composed of a plurality of joints 51, a plurality of conduits 52, a tubular body 53, and a plurality of sprinklers 54. The line 52 can be a rigid tube, a hose or a corner tube for connecting two adjacent joints 51. Each of the joints 51 is fixed to the side of the front rod 23, and the restricting line 52 is disposed inside the front rod 23. The pipe body 53 is connected to one of the plurality of joints 51, and each sprinkler 54 is connected to a corresponding joint 51. When the tube 53 directs the liquid 55 to flow through the line 52 to the joint 51, the sprinkler 54 can spray the liquid 55 against the bristles 33 or the advancement of the brush 30.

In some embodiments, the sprinkler 54 is replaced by a showerhead, which is within the scope of the invention.

As shown in Figures 1 through 3, the entire cleaning device 10 is a lightweight device that can be carried by a single person to the roof 61 of a building 60 and placed easily on the exterior of the solar panel 62. When the power line 46 is energized and the pipe body 53 is connected to the water, the cleaning operation can be started.

During cleaning, the cleaning device 10 moves from a high position of the inclined solar panel 62 to a low position along the direction of the arrow 63 (see Fig. 3). The user pulls the power line 46 and the left and right yaw of the tube body 53, and determines the direction in which the cleaning device 10 advances in the solar panel 62. At the same time, the tail end of the frame body 20 can be raised to allow the auxiliary wheel 26 to leave the solar panel 62 to avoid unnecessary damage. .

In addition, the cleaning device 10 is laterally displaced in the solar panel 62 by the arrow 64 (see Fig. 3), and there is no risk of overturning, which is also a cleaning procedure of the present invention.

Fig. 4 is a second embodiment of the cleaning device 10, which is substantially identical in construction to the first embodiment, except that the frame has three more baffles 26A, 26B, 26C.

The two ends of the baffle 26A are respectively embedded in the front rod 23 and the top rod 24, and the restricting baffle 26A is maintained in an arch state. The two ends of the baffle 26B are respectively embedded in the ejector pin 24 and the bottom bar 25, and the baffle plate 26B is maintained in a substantially inclined state. As for the baffle 26C, it can stand vertically below the bottom bar 25. As such, the baffles 26A, 26B, 26C surround the brush 30. When the brush 30 is rotated, the liquid 55 is pulled out by the bristles 33 by centrifugal force and is blocked by the shutters 26A, 26B or 26C. Therefore, the baffle 26A, 26B or 26C can prevent the liquid 55 from splashing out of the cleaning device 10.

Claims (7)

A portable solar panel cleaning device comprises: a frame body; a brush comprising: a rotating shaft connecting the rotating frame body; a column arranged in the same direction of rotation of the rotating shaft; and a plurality of columns standing on the outer circumferential surface of the cylinder in a radial direction The bristles are flexible, which can support the frame to stand still and also drive the frame displacement; a transmission mechanism includes: a motor fixed to the frame body, the motor is driven to drive the rotating shaft to rotate relative to the frame to provide bristles The power required to drive the displacement of the frame; and a fluid system disposed in the frame that supplies some liquid to the bristles or the advancement of the brush. The portable solar panel cleaning device of claim 1, wherein the frame has two parallel side bars, the two bearings are fixed to the corresponding side bars, and each bearing is passed through the rotating shaft. The portable solar panel cleaning device of claim 2, wherein the frame has a front rod connecting the same end of the two side rods; the fluid system comprises: a plurality of joints, each joint Firmly attached to the front pole; at least one pipeline connecting the two adjacent joints; a tubular body connecting one of the plurality of joints, the tubular body guiding the liquid to flow through the pipeline to the joint; the plurality of sprinklers, Each sprinkler is connected to a corresponding fitting that can spray liquid against the bristles or the advancement of the brush. The portable solar panel cleaning device of claim 3, wherein the frame further has a set of ejector pins, each of which is fastened above the two side bars, the set of ejector pins for fixing the motor . The portable solar panel cleaning device of claim 4, wherein the frame body further has a set of bottom rods, each bottom rod being fastened under the two side rods, the set bottom rods being used for fixing a plurality of bottom rods Auxiliary wheel. The portable solar panel cleaning device according to any one of claims 1 to 5, wherein the transmission mechanism further includes a driving wheel, a driving belt and a driven wheel, wherein the driving wheel is connected to the motor A motor shaft, the driven wheel and the rotating shaft are combined, and the driving belt covers the outer circumferential surfaces of the driving wheel and the driven wheel, and the motor provides the power required for the bristles to drive the frame body to be displaced. The portable solar panel cleaning device according to claim 6, wherein the frame body has one or more baffles; when the brush rotates, the liquid is pulverized by centrifugal force, the baffle Prevent liquid from spilling out of the cleaning unit.